软体动物

A similar structure or part, such as one that enables the valves of a bivalve mollusk to open and close .

类似铰链的装置类似的结构或部分，如使双壳类软体动物的壳张开闭合的关节

They are a bizarre community of intelligent bivalve mollusks with incredible memories that somehow retain the entire history of the planet.

这是个由一群有智慧的双壳贝类软体动物组成的奇怪族群，它们有著极佳的记忆力，保存了整个星球的历史。

Bivalve mollusk abundant in rivers of central United States.

盛产于美国中部河流的双壳类软体动物。

To avoid sampling bias, they restricted their analysis to one group of animals—the bivalve molluscs—that fossilise well.

为了防止取样的偏颇，他们将分析的对象限制在一类化石记录保存完备动物——双壳类软体动物。

Those animals boring into the rock include sponges, bivalve mollusks, and

能够在石灰岩中打洞的动物包括海面、双壳软体动物和

There is another genus of the hard-shell kind, which is called oyster; another of the soft-shell kind, not as yet designated by a single term, such as the spiny crawfish and the various kinds of crabs and lobsters; and another of molluscs, as the two kinds of calamary and the cuttle-fish; that of insects is different.

还有一种硬壳类叫做牡蛎；另外一种软壳类，至今没有被单一的条件确定，例如多刺的小龙虾和不同种类的螃蟹与龙虾；另一种软体动物，像是枪乌贼和乌贼；昆虫是不同的。

Of those swimming creatures that appear to have feet, as is the case with the molluscs, these creatures swim by the aid of their feet and their fins as well, and they swim most rapidly backwards in the direction of the trunk, as is the case with the cuttle-fish or sepia and the calamary; and, by the way, neither of these latter can walk as the poulpe or octopus can.

对于刚刚出现脚的动物，如同软体动物的情况，这些动物游泳同样是利用它们的脚和鳍，而且它们大多向主流的相反方向移动，如同乌贼和枪乌贼。并且，顺便说一句，后来介绍的这些动物都不能象章鱼一样行走。

The chemical structure of calcite in many mollusk shells bonds strongly to amino acids.

许多软体动物的壳中，方解石的化学结构与胺基酸形成强固的键结。

It dates to the very early Cambrian period, and it also contains only soft-bodied forms.

它形成于寒武纪的早期，并且同样只含有软体动物化石。

Cephalopod belongs to an important economic mollusk and also plays an important role in the marine ecological system.

头足类不仅是重要的经济软体动物，同时在海洋生态系中扮演着重要的角色。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。